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Physics

Grade-9

Easy

Question

The state of a substance changes on ____.

Heating
Cooling
Hitting
Either 1 or 2

hint Hint:

When water is heated it turns to steam and when water is cooled it turns to ice.

The correct answer is: Either 1 or 2

The state of a substance can change when heated or cooled.

When water is heated it turns to steam and when water is cooled it turns to ice.

Related Questions to study

The temperature at which a substance boils is called its _____.

The temperature at which a substance boils is called its _____.

_____ can exist in all the states of matter.

_____ can exist in all the states of matter.

The coefficient of thermal expansion of a material determines ____.

The coefficient of thermal expansion of a material determines ____.

parallel

When the temperature of a liquid decreases, its constituent particles ____.

When the temperature of a liquid decreases, its constituent particles ____.

As a result of thermal expansion, solids experience a change in _____.

As a result of thermal expansion, solids experience a change in _____.

Given below is a table showing the values of the coefficients of thermal expansions of some materials. Answer the question based on the table.
A bronze and a silver rod are heated to increase their temperatures by the same amounts. Which of them would expand more?

Substance Coefficient of Expansion Per Degree Centigrade

$text Aluminium end text$ $25 cross times 10 to the power of negative 6 end exponent$

$text Brass or Bronze end text$ $19 cross times 10 to the power of negative 6 end exponent$

$text Brick end text$ $9 cross times 10 to the power of negative 6 end exponent$

$text Copper end text$ $17 cross times 10 to the power of negative 6 end exponent$

$text Glass (Plate) end text$ $9 cross times 10 to the power of negative 6 end exponent$

$text Glass (Pyrex) end text$ $3 cross times 10 to the power of negative 6 end exponent$

$text Iron or Steel end text$ $11 cross times 10 to the power of negative 6 end exponent$

$text Lead end text$ $29 cross times 10 to the power of negative 6 end exponent$

$text Quartz end text$ $0.4 cross times 10 to the power of negative 6 end exponent$

$text Silver end text$ $19 cross times 10 to the power of negative 6 end exponent$

Given below is a table showing the values of the coefficients of thermal expansions of some materials. Answer the question based on the table.
A bronze and a silver rod are heated to increase their temperatures by the same amounts. Which of them would expand more?

Substance Coefficient of Expansion Per Degree Centigrade

$text Aluminium end text$ $25 cross times 10 to the power of negative 6 end exponent$

$text Brass or Bronze end text$ $19 cross times 10 to the power of negative 6 end exponent$

$text Brick end text$ $9 cross times 10 to the power of negative 6 end exponent$

$text Copper end text$ $17 cross times 10 to the power of negative 6 end exponent$

$text Glass (Plate) end text$ $9 cross times 10 to the power of negative 6 end exponent$

$text Glass (Pyrex) end text$ $3 cross times 10 to the power of negative 6 end exponent$

$text Iron or Steel end text$ $11 cross times 10 to the power of negative 6 end exponent$

$text Lead end text$ $29 cross times 10 to the power of negative 6 end exponent$

$text Quartz end text$ $0.4 cross times 10 to the power of negative 6 end exponent$

$text Silver end text$ $19 cross times 10 to the power of negative 6 end exponent$

parallel

Given below is a table showing the values of the coefficients of thermal expansions of some materials. Answer the question based on the table.
Sagar is provided with a brass rod and a lead rod of identical dimensions. He heats the rods through the same temperature increase. Which rod would expand more?

Substance Coefficient of Expansion Per Degree Centigrade

$text Aluminium end text$ $25 cross times 10 to the power of negative 6 end exponent$

$text Brass or Bronze end text$ $19 cross times 10 to the power of negative 6 end exponent$

$text Brick end text$ $9 cross times 10 to the power of negative 6 end exponent$

$text Copper end text$ $17 cross times 10 to the power of negative 6 end exponent$

$text Glass (Plate) end text$ $9 cross times 10 to the power of negative 6 end exponent$

$text Glass (Pyrex) end text$ $3 cross times 10 to the power of negative 6 end exponent$

$text Iron or Steel end text$ $11 cross times 10 to the power of negative 6 end exponent$

$text Lead end text$ $29 cross times 10 to the power of negative 6 end exponent$

$text Quartz end text$ $0.4 cross times 10 to the power of negative 6 end exponent$

$text Silver end text$ $19 cross times 10 to the power of negative 6 end exponent$

Given below is a table showing the values of the coefficients of thermal expansions of some materials. Answer the question based on the table.
Sagar is provided with a brass rod and a lead rod of identical dimensions. He heats the rods through the same temperature increase. Which rod would expand more?

Substance Coefficient of Expansion Per Degree Centigrade

$text Aluminium end text$ $25 cross times 10 to the power of negative 6 end exponent$

$text Brass or Bronze end text$ $19 cross times 10 to the power of negative 6 end exponent$

$text Brick end text$ $9 cross times 10 to the power of negative 6 end exponent$

$text Copper end text$ $17 cross times 10 to the power of negative 6 end exponent$

$text Glass (Plate) end text$ $9 cross times 10 to the power of negative 6 end exponent$

$text Glass (Pyrex) end text$ $3 cross times 10 to the power of negative 6 end exponent$

$text Iron or Steel end text$ $11 cross times 10 to the power of negative 6 end exponent$

$text Lead end text$ $29 cross times 10 to the power of negative 6 end exponent$

$text Quartz end text$ $0.4 cross times 10 to the power of negative 6 end exponent$

$text Silver end text$ $19 cross times 10 to the power of negative 6 end exponent$

Glass containers may crack when a hot liquid is suddenly poured into them because ____.

Glass containers may crack when a hot liquid is suddenly poured into them because ____.

Olive oil is cooled in the freezer. What happens to the kinetic energy of its particles? What does it lead to?

Olive oil is cooled in the freezer. What happens to the kinetic energy of its particles? What does it lead to?

parallel

When the temperature of a substance decreases, it ____.

When the temperature of a substance decreases, it ____.

Water is heated on a burner. What happens to the kinetic energy of its particles? What does it lead to?

Water is heated on a burner. What happens to the kinetic energy of its particles? What does it lead to?

The coefficient of thermal expansion of metals is usually _____ the non-metals.

The coefficient of thermal expansion of metals is usually _____ the non-metals.

parallel

When the temperature of a liquid increases, its particles ____.

When the temperature of a liquid increases, its particles ____.

When the temperature of a solid increases, its particles _____.

When the temperature of a solid increases, its particles _____.

When a thermometer is dipped in a tumbler of cool water, its mercury level comes down. This is due to ____.

When a thermometer is dipped in a tumbler of cool water, its mercury level comes down. This is due to ____.

parallel

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